Drugs Brain Types of Drugs Stimulant Drugs To
Drugs & Brain • Types of Drugs * Stimulant Drugs: To help Stay Awake and Night Away * Sedatives: To calm People's Nerves 1
• Advantages and Disadvantages of Drugs * Advantages: Blood Supply of Brain, Relieve Pain, etc. * Disadvantages - Withdrawal Symptoms when Interrupt People's Drug Habit (Both Physical and Psycological Painful) - Damaging to People's Work, Health and Family • Drug Dependence Difference * High Risk: Cocaine, Heroin, Nicotine, ect. * Low Risk: Alcohol, Cannabis, Ecstasy, Amphetamines, etc. • Ability of Drugs * Promote Release of Dopamine in Certain Brain Regions → Akin to Pathway of "Pleasure" in Brain * Carry on Taking Drug(Addiction) 2
• Drugs - How they Work and Hazards of taking them Drugs Work Hazards Alcohol • Dampen Down Excitatory Message • Promote Inhibition of Neural Activity • Drunk Driving • Damages Body(Liver, Brain) Nicotine • Acts on Brain Receptors(Recognize Neurotransmitter Acetylcoline) • Highly Addictive Cannabis • Acts on Like Neurotransmitter in Brain • Tend to Lung Diseases (Risk of Developing Lung Cancer) • Release Two Occurring Neurotransmitters (Dopamin, Serotonin) • Powerful Psychostimulants • Dopamin: Strong Arousal Serotonin: Cause Sense of Wellbeing • Prolonged Permanent Reduction Cause of Serotonin Cells Heroin • Occurring Neurotransmitters (Neurotransmitters: Endorphins) • Immediate Pleasurable Sensation • Highly Addictve and Dangerous • Can Kill in Overdose Cocaine • Release Two Occurring Neurotransmitters (Dopamin, Serotonin) • Intensely Pleasurable Sensation • Highly Addictve and Dangerous • Can Kill in Overdose Amphetamines 3
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